; Run llvm-undname with invalid inputs and make sure it doesn't crash.
; RUN: not llvm-undname < %s 2>&1 | FileCheck %s

?ff@@$$J0YAXAU?$AS_@$0A@PEAU?$AS_@$0A@H@__clang@@@__clang@@@Z
; CHECK: ?ff@@$$J0YAXAU?$AS_@$0A@PEAU?$AS_@$0A@H@__clang@@@__clang@@@Z
; CHECK-NEXT: error: Invalid mangled name

?f0@@YAXPEU?$AS_@$00$$CAD@__clang@@@Z
; CHECK-EMPTY:
; CHECK-NEXT: ?f0@@YAXPEU?$AS_@$00$$CAD@__clang@@@Z
; CHECK-NEXT: error: Invalid mangled name

?@@8
; CHECK-EMPTY:
; CHECK-NEXT: ?@@8
; CHECK-NEXT: error: Invalid mangled name

??
; CHECK-EMPTY:
; CHECK-NEXT: ??
; CHECK-NEXT: error: Invalid mangled name

??0@
; CHECK-EMPTY:
; CHECK-NEXT: ??0@
; CHECK-NEXT: error: Invalid mangled name

? @@   YC@
; CHECK-EMPTY:
; CHECK-NEXT: ? @@   YC@
; CHECK-NEXT: error: Invalid mangled name

??B@$$J0
; CHECK-EMPTY:
; CHECK-NEXT: ??B@$$J0
; CHECK-NEXT: error: Invalid mangled name

??B@4
; CHECK-EMPTY:
; CHECK-NEXT: ??B@4
; CHECK-NEXT: error: Invalid mangled name

?A?@?@???B@4D
; CHECK-EMPTY:
; CHECK-NEXT: ?A?@?@???B@4D
; CHECK-NEXT: error: Invalid mangled name

?A?@?@???B@4DD
; CHECK-EMPTY:
; CHECK-NEXT: ?A?@?@???B@4DD
; CHECK-NEXT: error: Invalid mangled name

??$A@P15@
; CHECK-EMPTY:
; CHECK-NEXT: ??$A@P15@
; CHECK-NEXT: error: Invalid mangled name

??$A@P
; CHECK-EMPTY:
; CHECK-NEXT: ??$A@P
; CHECK-NEXT: error: Invalid mangled name

?A@@
; CHECK-EMPTY:
; CHECK-NEXT: ?A@@
; CHECK-NEXT: error: Invalid mangled name

?A@@P
; CHECK-EMPTY:
; CHECK-NEXT: ?A@@P
; CHECK-NEXT: error: Invalid mangled name

?A@@4PQA@@
; CHECK-EMPTY:
; CHECK-NEXT: ?A@@4PQA@@
; CHECK-NEXT: error: Invalid mangled name

??__E
; CHECK-EMPTY:
; CHECK-NEXT: ??__E
; CHECK-NEXT: error: Invalid mangled name

??__E@@
; CHECK-EMPTY:
; CHECK-NEXT: ??__E@@
; CHECK-NEXT: error: Invalid mangled name

??__E?Foo@@0HA@@
; CHECK-EMPTY:
; CHECK-NEXT: ??__E?Foo@@0HA@@
; CHECK-NEXT: error: Invalid mangled name

??__E?i@C@@0HA@
; CHECK-EMPTY:
; CHECK-NEXT: ??__E?i@C@@0HA@
; CHECK-NEXT: error: Invalid mangled name

??__E?Foo@@YAXXZ
; CHECK-EMPTY:
; CHECK-NEXT: ??__E?Foo@@YAXXZ
; CHECK-NEXT: error: Invalid mangled name

?foo@@YAH0@Z
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@@YAH0@Z
; CHECK-NEXT: error: Invalid mangled name

?foo@@YAHH
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@@YAHH
; CHECK-NEXT: error: Invalid mangled name

??8@8
; CHECK-EMPTY:
; CHECK-NEXT: ??8@8
; CHECK-NEXT: error: Invalid mangled name

?B@?$?K$H?
; CHECK-EMPTY:
; CHECK-NEXT: ?B@?$?K$H?
; CHECK-NEXT: error: Invalid mangled name

??C@$
; CHECK-EMPTY:
; CHECK-NEXT: ??C@$
; CHECK-NEXT: error: Invalid mangled name

?x@@3PAW
; CHECK-EMPTY:
; CHECK-NEXT: ?x@@3PAW
; CHECK-NEXT: error: Invalid mangled name

??}
; CHECK-EMPTY:
; CHECK-NEXT: ??}
; CHECK-NEXT: error: Invalid mangled name

?foo@?$?_
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?$?_
; CHECK-NEXT: error: Invalid mangled name

??_R4
; CHECK-EMPTY:
; CHECK-NEXT: ??_R4
; CHECK-NEXT: error: Invalid mangled name

??_R4foo@@
; CHECK-EMPTY:
; CHECK-NEXT: ??_R4foo@@
; CHECK-NEXT: error: Invalid mangled name

?foo@?$?BH@@QAEHXZ
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?$?BH@@QAEHXZ
; CHECK-NEXT: error: Invalid mangled name

?foo@?$?0H@
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?$?0H@
; CHECK-NEXT: error: Invalid mangled name

??_C@_0A@01234567@a
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_0A@01234567@a
; CHECK-NEXT: error: Invalid mangled name

??_C@_1A@01234567@a
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_1A@01234567@a
; CHECK-NEXT: error: Invalid mangled name

??_C@_0301234567@a
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_0301234567@a
; CHECK-NEXT: error: Invalid mangled name

??_C@_1301234567@a
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_1301234567@a
; CHECK-NEXT: error: Invalid mangled name

??_C@_0601234567@abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZabcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZabcdefghijklmnopqrtsuvwxyz
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_0601234567@abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZabcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZabcdefghijklmnopqrtsuvwxyz
; CHECK-NEXT: error: Invalid mangled name

??_C@_12@?z
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_12@?z
; CHECK-NEXT: error: Invalid mangled name

??$foo@$1??_C@_02PCEFGMJL@hi?$AA@@
; CHECK-EMPTY:
; CHECK-NEXT: ??$foo@$1??_C@_02PCEFGMJL@hi?$AA@@
; CHECK-NEXT: error: Invalid mangled name

??_C@
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@
; CHECK-NEXT: error: Invalid mangled name

??_C@_
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_
; CHECK-NEXT: error: Invalid mangled name

??_C@_3
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_3
; CHECK-NEXT: error: Invalid mangled name

??_C@_01
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_01
; CHECK-NEXT: error: Invalid mangled name

??_C@_0101234567@
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_0101234567@
; CHECK-NEXT: error: Invalid mangled name

??_C@_0101234567@?
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_0101234567@?
; CHECK-NEXT: error: Invalid mangled name

??_C@_0101234567@?$
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_0101234567@?$
; CHECK-NEXT: error: Invalid mangled name

??_C@_0101234567@?$za
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_0101234567@?$za
; CHECK-NEXT: error: Invalid mangled name

??_C@_0101234567@?$az
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_0101234567@?$az
; CHECK-NEXT: error: Invalid mangled name

??_C@_1201234567@a?$az
; CHECK-EMPTY:
; CHECK-NEXT: ??_C@_1201234567@a?$az
; CHECK-NEXT: error: Invalid mangled name

??@foo
; CHECK-EMPTY:
; CHECK-NEXT: ??@foo
; CHECK-NEXT: error: Invalid mangled name

?foo@@3YA@A
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@@3YA@A
; CHECK-NEXT: error: Invalid mangled name

?foo@@3Y~01KA
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@@3Y~01KA
; CHECK-NEXT: error: Invalid mangled name

?foo@@3Y0~1KA
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@@3Y0~1KA
; CHECK-NEXT: error: Invalid mangled name

?x@@3PEAY02$$CRHEA
; CHECK-EMPTY:
; CHECK-NEXT: ?x@@3PEAY02$$CRHEA
; CHECK-NEXT: error: Invalid mangled name

?foo@@3_
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@@3_
; CHECK-NEXT: error: Invalid mangled name

?foo@@3_XA
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@@3_XA
; CHECK-NEXT: error: Invalid mangled name

?foo@@3Vbar
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@@3Vbar
; CHECK-NEXT: error: Invalid mangled name

?foo@@3Vbar@
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@@3Vbar@
; CHECK-NEXT: error: Invalid mangled name

?foo@?A
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?A
; CHECK-NEXT: error: Invalid mangled name

?foo@?
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?
; CHECK-NEXT: error: Invalid mangled name

?foo@??
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@??
; CHECK-NEXT: error: Invalid mangled name

?foo@?XX?
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?XX?
; CHECK-NEXT: error: Invalid mangled name

?foo@?A@?
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?A@?
; CHECK-NEXT: error: Invalid mangled name

?foo@?Q@?
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?Q@?
; CHECK-NEXT: error: Invalid mangled name

?foo@?BQ@?
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?BQ@?
; CHECK-NEXT: error: Invalid mangled name

?foo@?0?
; CHECK-EMPTY:
; CHECK-NEXT: ?foo@?0?
; CHECK-NEXT: error: Invalid mangled name

??_Sfoo@@1Abar@@
; CHECK-EMPTY:
; CHECK-NEXT: ??_Sfoo@@1Abar@@
; CHECK-NEXT: error: Invalid mangled name

??_Bfoo@@1
; CHECK-EMPTY:
; CHECK-NEXT: ??_Bfoo@@1
; CHECK-NEXT: error: Invalid mangled name

??_R0
; CHECK-EMPTY:
; CHECK-NEXT: ??_R0
; CHECK-NEXT: error: Invalid mangled name

??_R0H
; CHECK-EMPTY:
; CHECK-NEXT: ??_R0H
; CHECK-NEXT: error: Invalid mangled name

??_R0H@8foo
; CHECK-EMPTY:
; CHECK-NEXT: ??_R0H@8foo
; CHECK-NEXT: error: Invalid mangled name

??_R1012?3foo@@
; CHECK-EMPTY:
; CHECK-NEXT: ??_R1012?3foo@@
; CHECK-NEXT: error: Invalid mangled name

??_R2foo@@1
; CHECK-EMPTY:
; CHECK-NEXT: ??_R2foo@@1
; CHECK-NEXT: error: Invalid mangled name

??_A
; CHECK-EMPTY:
; CHECK-NEXT: ??_A
; CHECK-NEXT: error: Invalid mangled name

??_P
; CHECK-EMPTY:
; CHECK-NEXT: ??_P
; CHECK-NEXT: error: Invalid mangled name